body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f0f2f5;
}

header {
  background: #007bff;
  color: white;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

main {
  display: flex;
  height: calc(100vh - 60px);
}

.left-panel, .right-panel {
  width: 250px;
  padding: 20px;
  background: white;
  overflow-y: auto;
}

.map-panel {
  flex: 1;
  height: 100%;
}

.card {
  margin-bottom: 20px;
  padding: 15px;
  background: #f9f9f9;
  border-radius: 4px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.05);
}

#map {
  width: 100%;
  height: 100%;
}